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 | | http://functions.wolfram.com/05.09.03.0009.01 | 
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 | | GegenbauerC[n, -((n + k)/2), z] == ComplexInfinity /; 
 Element[k, Integers] && k >= 0 | 
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 | | Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["GegenbauerC", "[", RowBox[List["n", ",", RowBox[List["-", FractionBox[RowBox[List["n", "+", "k"]], "2"]]], ",", "z"]], "]"]], "\[Equal]", "ComplexInfinity"]], "/;", RowBox[List[RowBox[List["k", "\[Element]", "Integers"]], "\[And]", RowBox[List["k", "\[GreaterEqual]", "0"]]]]]]]] | 
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   <math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'>  <semantics>  <mrow>  <mrow>  <mrow>  <msubsup>  <mi> C </mi>  <mi> n </mi>  <mrow>  <mo> - </mo>  <mfrac>  <mrow>  <mi> k </mi>  <mo> + </mo>  <mi> n </mi>  </mrow>  <mn> 2 </mn>  </mfrac>  </mrow>  </msubsup>  <mo> ( </mo>  <mi> z </mi>  <mo> ) </mo>  </mrow>  <mo> ⩵ </mo>  <mover>  <mi> ∞ </mi>  <mo> ~ </mo>  </mover>  </mrow>  <mo> /; </mo>  <mrow>  <mi> k </mi>  <mo> ∈ </mo>  <mi> ℕ </mi>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <ci> Condition </ci>  <apply>  <eq />  <apply>  <apply>  <power />  <apply>  <ci> Subscript </ci>  <ci> C </ci>  <ci> n </ci>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <apply>  <plus />  <ci> k </ci>  <ci> n </ci>  </apply>  <apply>  <power />  <cn type='integer'> 2 </cn>  <cn type='integer'> -1 </cn>  </apply>  </apply>  </apply>  </apply>  <ci> z </ci>  </apply>  <apply>  <ci> OverTilde </ci>  <infinity />  </apply>  </apply>  <apply>  <in />  <ci> k </ci>  <ci> ℕ </ci>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
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 | | Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["GegenbauerC", "[", RowBox[List["n_", ",", RowBox[List[RowBox[List["-", FractionBox["1", "2"]]], " ", RowBox[List["(", RowBox[List["n_", "+", "k_"]], ")"]]]], ",", "z_"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["ComplexInfinity", "/;", RowBox[List[RowBox[List["k", "\[Element]", "Integers"]], "&&", RowBox[List["k", "\[GreaterEqual]", "0"]]]]]]]]]] | 
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 | | Date Added to functions.wolfram.com (modification date) | 
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